minor last minute tweaks to Dockerfile
minor last minute tweaks to Dockerfile

AndrewRademacher/stack,Fuuzetsu/stack,deech/stack,martin-kolinek/stack,anton-dessiatov/stack,Blaisorblade/stack,AndrewRademacher/stack,Heather/stack,mrkkrp/stack,sjakobi/stack,deech/stack,AndreasPK/stack,Blaisorblade/stack,sjakobi/stack,phadej/stack,phadej/stack,Heather/stack,mrkkrp/stack,juhp/stack,Fuuzetsu/stack,AndreasPK/stack,MichielDerhaeg/stack,anton-dessiatov/stack,juhp/stack,MichielDerhaeg/stack,martin-kolinek/stack